Waterproofing
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HEJAZI / COLLECTION 01A name behind every layer since 1374 SH (1995–1996)

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Unfaced Double-Layer MembraneChange product ↑HEJAZI / MATERIAL STORY
01Core material

Bitumen,
the basis of waterproofing.

Bitumen is the core material in a waterproofing membrane. Together with reinforcing layers, it forms a moisture-resistant covering.

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Bitumen — the starting pointBITUMEN / 01

Schematic structure; layer thicknesses are exaggerated for illustration.

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The result of this bond

From drop to roll.
Your product specifications.

Hejazi Plain Double-Layer Membrane
A simple structure, two reinforcing layers, one complete roll.

PLAIN / DOUBLE REINFORCED

Plain Double-Layer Membrane

Hejazi
Product model
Plain double-layer
External surface
Bituminous, without aluminium facing
Reinforcing layers
Polyester and glass tissue
Final form
Waterproofing membrane roll

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Call for price 051 31080Compare with another productFull product details
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Inside this layer 
what takes shape?

  • 160/70 modified bitumen
  • 266-thread tissue
  • 3120 g needle-punched polyester

Product specifications and applications

Choose a product to explore its materials, technical specifications and applications.